Trying to make a point and spur an interview over on kotaku, they're asking who they should interview and I'm suggesting the head of EA games and basically asking them to slap him silly and make him realise the benefits of selling their back catalogue, ideally on a good (or should I say GOG) distributor.
I need your Top However Many EA games that you'd buy in a heartbeat if they were on GOG.
I got a whole article on kotaku with my suggestion about the Halo remakes, I'm going for an interview next. If IT doesn't work out I may go into journalism...
Crusader, Ultima, Wing Commander, Syndicate & Syndicate Wars are already on the list

M.U.L.E.

Bugger! How am I supposed to list Syndicate several times if you've already included it?
Don't they own Looking Glass's old games? If so you can certainly add Thief 1 & 2, Tera Nova and System Shock 2 to that list.
Oh and Dungeon Keeper 1 & 2.

Dungeon Keeper
Dune 2
Privateer
Populous
Powermonger
Magic Carpet
Sim City 2000
System Shock
Desert Strike
American MCGee's Alice
The Bards Tale

I've thought of another, Bioforge, that game rocked

Theme Hospital!

Keep em coming, I want to have so many that I need 2-3 posts to list them all

* The Neverhood - I'd cream my pants for this
* The Red Alert and Red Alert 2 series (The original Red Alert is available for free, but the expansions aren't)
* Medal of Honor: Allied Assault, maybe some of the later MoH games as well
I'm sure there are more, but I can't think of any off the top of my head.

Don't forget about awasome Blade Runner and imho best racing game; NFS Porsche

Don't forget Wasteland.

I want to mention NFS series, too...but I guess it will be difficult (and expensive) to secure the car licenses.

We've learned our lesson here. No more licensed car games, please.

That's with Inxile now.

NFS may be out of the question but there is always Road Rash.

Just get the First Decade. It has everything released before C&C3.

System Shock 1 and 2
The Bard's Tale trilogy
Magic Carpet 1 and 2
Relentless 1 and 2
Fade to Black / Flashback
Space Hulk
Magic Carpet 1 and 2
Bioforge
Strike Commander
Starflight 2